Campbell Biology Chapter 1: The Themes of Biology, and Scientific Inquiry Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. This is a false or fake science, a system of beliefs that looks like it is based on scientific ideas but actually doesn't employ or obey the simplest rules of science itself.

Question 2 2.

Which of the following statement(s) accurately describes an advantage provided by model organisms?

I. The laboratory environment can be controlled.

II. True-breeding strains can be generated.

III. Specific combinations of alleles can be engineered.

Question 3 3. Which of the following correctly displays a scientific name using binomial nomenclature?

Question 4 4. Currently, the common model of the human mind compares it to _____.

Question 5 5. You conduct a study of reaction times by placing a plastic spider on a person's chair right before they sit down and recording their reaction time. You repeat the study, but this time you yell ''SPIDER!'' right before the person sits down and again measure their reaction time. Why can your yelling ''SPIDER!'' be considered a moderating variable?

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Question 6 6. Which of the following statements about taxonomic levels is correct?

Question 7 7. Scientific models are used to _____ complex ideas.

Question 8 8. As part of the Hawthorne Studies, employees were split into two groups. For one group the lighting in their work area was substantially improved for a day, while the lighting in the work area for the other group remained unchanged. Which step in the scientific method does this address?

Question 9 9.

Which of the following is an example of a homologous structure or trait?

I. Arm bones of a human and wings of a bird

II. Wing of a penguin and wing of a mosquito

III. Beak of a penguin and beak of a duck

Question 10 10. Which level of organization in taxonomy is the most specific?

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Question 11 11. Why is it important that a researcher avoid skipping steps in the scientific method process?

Question 12 12. Which of these was not included as part of creating a hypothesis?

Question 13 13. An experiment begins with the researcher believing that couches cause an increase in laziness of participants. He then attempts to find participants with couches and determines their laziness level. Which of the following best describes this type of reasoning?

Question 14 14. Which of the following statements could NOT be used to describe a multifactorial trait?

Question 15 15. Which domain contains both the plant and animal kingdoms?

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Question 16 16. As part of the famous Hawthorne Studies back in the 1920's, Elton Mayo and Fritz Roethlisberger wanted to know, 'Could certain environmental conditions, such as improved lighting, make employees work more efficiently?' Which step in the scientific method does this address?

Question 17 17.

Evaluate each of the following sets of data separately. Which of them provide evidence that the trait is polygenic?

I. The genotype at loci A, B and C each produces a protein that influences the length of an organism by an average of 0.6, 0.4 and 0.3 cm, respectively.

II. Three different alleles of gene D affect the length of an organism by an average of 0.6, 0.4 and 0.3 cm, respectively.

III. Loci E, F and G each modulates an independent pathway, which plays a role in determining the length of an organism.

Question 18 18. The steps of the scientific method include: Ask a question, _____, Form a hypothesis, Test the hypothesis & collect data, Analyze data, and _____.

Question 19 19. A set of principles laid out as being unquestionably true is known as:

Question 20 20. This is a single assertion, a proposed explanation of something based on available knowledge, for something yet to be explained, one that is subject to further experimentation.

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Question 21 21. If I release 10 spiders into a room and measure how long it takes people to get out of the room, what is the independent variable?

Question 22 22. Elton Mayo and Fritz Roethlisberger, as part of the Hawthorne Studies, realized it was not the change in the lighting that was affecting the workers' productivity. Instead, it was simply the fact that an individual was concerned about the workers and their environment. Which step in the scientific method does this address?

Question 23 23. Which of the following sample hypotheses is a poor choice?

Question 24 24. Which of the following pitfalls is often responsible for poor decisions based off of models?

Question 25 25. What was Linnaeus's classification system based on?

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Question 26 26. Which of these following words should be avoided when creating your own hypothesis?

Question 27 27. This is a branch of knowledge and the systematic study of the universe and all it encompasses, one that is based upon facts, observation, and experimentation:

Question 28 28. Which of the following is the most effective way to use models in the decision-making process?

Question 29 29. A scientist notices several birds in the same area that are similar in appearance with the exception of different beak lengths. She observes that one type of bird with a particularly long beak can pick bugs out of holes in the ground, while the birds with shorter beaks cannot. The longer beak is an example of

Question 30 30. The results of an experiment indicate that owning pets reduces a participant's stress. Therefore, it is concluded that there is some type of relationship between stress levels and pet ownership. Which of the following best describes this type of reasoning?

Campbell Biology Chapter 1: The Themes of Biology, and Scientific Inquiry Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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